Top Managed IT Companies in London

Keystone Technologies

IT that just works, so your business can keep moving.

✓ Verified Provider ⭐ 4.8/5 Stars Est. 1998
London, ON
1–9 employees
Founded 1998
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Keystone Technologies is a managed IT services provider based in London, ON, operating since 1998. Across 16 verified Google reviews it averages 4.8 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Cybersecurity, Cloud Services, Backup & Business Continuity. Compare it against other London managed IT providers, then request a quote.

Vetted by the Best IT MSP editorial team · Last updated June 2026

About Keystone Technologies

Keystone Technologies is a London, Ontario-based MSP with 30+ years of experience delivering managed IT, cybersecurity, cloud, VoIP, and compliance services to SMBs across Southwestern Ontario with same-day on-site support.

Services Offered

🖥️
Managed IT Services
🔒
Cybersecurity
☁️
Cloud Services
💾
Backup & Business Continuity
🛟
IT Help Desk & End-User Support
🌐
Network Management

Industries Served

🏛️ Government
🏠 Real Estate
📋 Professional Services
🏭 Manufacturing
🏥 Healthcare

Why Choose Keystone Technologies

📍

Based in London

Keystone Technologies is headquartered in London, ON, so London businesses get a local team for on-site work instead of a distant call center.

Over 30 years serving local SMBs

Over 30 years serving local SMBs

<15 minute average response time

<15 minute average response time

Offices

Keystone Technologies lists 2 offices. Choose one to see it on the map.

Certifications & Compliance

Over 30 years serving local SMBs
<15 minute average response time
99.98% monitored uptime
Month-to-month agreements after first 3 months, no long-term lock-in

Frequently Asked Questions

What do Keystone Technologies reviews say?

Across 16 verified Google reviews, Keystone Technologies averages 4.8 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Keystone Technologies provide?

Keystone Technologies delivers Managed IT Services, Cybersecurity, Cloud Services, Backup & Business Continuity, IT Help Desk & End-User Support, Network Management to organizations across London, ON.

What area does Keystone Technologies serve?

Keystone Technologies is based in London, ON and supports businesses across London and the greater metro area.

When did Keystone Technologies start?

Keystone Technologies has been operating since 1998.

Is Keystone Technologies certified?

Keystone Technologies carries Over 30 years serving local SMBs, <15 minute average response time, 99.98% monitored uptime, Month-to-month agreements after first 3 months, no long-term lock-in.